Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Grossman, MD

Individual provider Internal Medicine Physician · NPI 1134178478

Dr. William Grossman, MD is a Cardiovascular Disease (Cardiology) in San Francisco, California. Graduated from Yale University School of Medicine in 1965, 61 years ago. Practices with UCSF Medical Group Business Services, a 1,531-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
61
Trained at
Yale University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

350 Parnassus Ave
San Francisco, CA 94143-0001
Phone: (415) 476-4144
Fax: (415) 502-7949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G83785 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence G83785 (CA)

Record details

NPI number1134178478
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2006
Last updated in NPPESJune 6, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1965 (61 years in practice)
Group practice Ucsf Medical Group Business Services — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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